Genius Deck for Kids: 75 Secret Codes

Test your wits—at any age—with this box of code-based puzzles, developed by the British Mensa society for readers 7 and up. Want to know "whodunit," or find a hidden treasure, in the short scenarios provided? Just stretch your mental powers and crack the coded answers to see if you're a child prodigy. Don't drive yourself crazy if you don't get it, though—the answers are provided.